Chimera incident, a serial murder and explosion crime that shook the year of 1984, takes place exactly the same thirty five years later in 2019. Just like the terrible explosion in the past, the murder of the crime is called Chimera, a monster in the Greek myth with the head of a lion, body as a goat, and tail as a snake that shoots fire through its throat.

Park Hae-soo, Claudia Kim, Lee Hee-jun, Cha Joo-young, Jung Young-ki, Yoon Ji-won, Woo Hyeon, Nam Gi-ae, Kang Shin-il, Lee Ki-young, Kwon Hyuk-hyun, Kim Gwi-seon, Kim Ji-hoon